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柑橘红2

CAS 6358-53-8C18H16N2O3MW 308.3

柑橘红2（CAS 6358-53-8）：分子式 C18H16N2O3、分子量 308.3；类别 染料及颜料。

产品描述

柑橘红2（CAS 6358-53-8）是一种染料及颜料原料。其分子式 C18H16N2O3 由 18 个碳、16 个氢、2 个氮、3 个氧 组成。 分子量约为 308.3。公开物性数据显示其熔点约 311 to 315 °F (NTP, 1992)、LogP 约 4.5。作为化工品采购代理与分销渠道，我们可在国内及跨境渠道为柑橘红2寻源比价，并安排小批量试样与批次采购；下单前提供完整 COA、质检报告与合规文件，验收以批次 COA 为准。

规格参数

CAS号6358-53-8
分子式C18H16N2O3
分子量308.3
熔点311 to 315 °F (NTP, 1992)
LogP4.5
应用领域Used formerly as dye for orange skins that are not processed、Considered unsafe for food use by FAO/WHO committee in 1973、To color orange skins、Citrus Red No. 2 shall be used only for coloring the skins of oranges that are not intended or used for processing (or if so used are designated in the trade as Packinghouse elimination) and that meet minimum maturity standards established by or under the laws of the States in which the oranges are grown、Methods of Manufacturing: /Citrus Red No. 2/ is synthesized commercially by coupling diazotization of 2、5-dimethoxyaniline with 2-naphthol
类别着色剂|食品添加剂

用途与场景

登记用途：Used formerly as dye for orange skins that are not processed、Considered unsafe for food use by FAO/WHO committee in 1973、To color orange skins、Citrus Red No. 2 shall be used only for coloring the skins of oranges that are not intended or used for processing (or if so used are designated in the trade as Packinghouse elimination) and that meet minimum maturity standards established by or under the laws of the States in which the oranges are grown、Methods of Manufacturing: /Citrus Red No. 2/ is synthesized commercially by coupling diazotization of 2、5-dimethoxyaniline with 2-naphthol。

采购档案

这个产品是什么

柑橘红2 是一种着色或颜料类化合物，登记 CAS 号为 6358-53-8，分子式 C18H16N2O3（分子量 308.3），归属于染料及颜料大类化工原料。

识别信息

登记 CAS 号：6358-53-8

其分子式 C18H16N2O3 由 18 个碳、16 个氢、2 个氮、3 个氧 组成。

别名/同义词：柑橘红2 · Citrus Red 2

所属分类：染料及颜料 / 食品添加剂

常见问题

柑橘红2 的 CAS 号是多少？

柑橘红2 的 CAS 登记号为 6358-53-8。

柑橘红2 的分子式与分子量是多少？

分子式 C18H16N2O3，分子量 308.3。

柑橘红2 还有哪些别名？

别名/同义词：柑橘红2、Citrus Red 2。

柑橘红2 的登记用途是什么？

登记用途：Used formerly as dye for orange skins that are not processed、Considered unsafe for food use by FAO/WHO committee in 1973、To color orange skins、Citrus Red No. 2 shall be used only for coloring the skins of oranges that are not intended or used for processing (or if so used are designated in the trade as Packinghouse elimination) and that meet minimum maturity standards established by or under the laws of the States in which the oranges are grown、Methods of Manufacturing: /Citrus Red No. 2/ is synthesized commercially by coupling diazotization of 2、5-dimethoxyaniline with 2-naphthol。

柑橘红2 属于哪个分类？

所属分类：着色剂 / 食品添加剂。

如何在 591daili.cn 采购 柑橘红2？

请在联系页面提交产品名称、CAS 号与数量，我们作为采购代理在国内及跨境渠道为您寻源比价，安排试样与批次采购，下单前提供 COA 与合规文件。

包装与单证

包装按订单确认，从实验室小包装到吨袋大货，随订单安排而非在页面上写死。每批随货附 COA 分析证书，可另提供 MSDS；若终端用途带有法规限度（食品接触、药品或化妆品），请在询价时说明执行标准，等级按该标准确定。

PubChem 公开数据

柑橘红2（CAS 6358-53-8）的公开数据库记录，列此仅供独立核对。

危险化学品分类与危害说明

Reported hazard statementsH351 (100%)

H351 (100%): Suspected of causing cancer [Warning Carcinogenicity]

P203, P280, P318, P405, and P501 (click each P-code to see the statement)

法规与备案状态

Regulatory & Food ContactFDA Regulatory Status of Color Additives: Foods
FDA Substance added to food: COLOR OR COLORING ADJUNCT
FDA Cumulative Estimated Daily Intake (CEDI): FCS
COLOUR: Food Additives
CITRUS RED NO. 2 OR 2-?NAPHTHALENOL, 1-?[2-?(2,?5-?DIMETHOXYPHENYL)?DIAZENYL]?-
NOT TO BE USED

物理形态与操作说明

  • Citrus red no. 2 appears as orange to yellow solid or dark red powder. (NTP, 1992)
  • Orange to yellow or dark red solid; [CAMEO] Red crystalline solid; [MSDSonline]
  • Orange to yellow solid or dark red powder (NTP, 1992)
  • Crystals
  • less than 1 mg/mL at 72 °F (NTP, 1992)
  • Partially soluble in ethanol and vegetable oils

公开数据库收录的理化数据

熔点311 to 315 °F (NTP, 1992)
熔点156 °C
Color Additive Status74.302

这个物质在各数据库里的编号

CAS Registry Number6358-53-8
PubChem CID22830
分子式C18H16N2O3
IUPAC 名称1-[(2,5-dimethoxyphenyl)diazenyl]naphthalen-2-ol
UNII（FDA）2QE5Y68984

数据库记载的用途

  • Used formerly as dye for orange skins that are not processed; [HSDB]
  • Considered unsafe for food use by FAO/WHO committee in 1973; [HSDB]
  • Citrus Red No. 2 shall be used only for coloring the skins of oranges that are not intended or used for processing (or if so used are designated in the trade as Packinghouse elimination) and that meet minimum maturity standards established by or under the laws of the States in which the oranges are grown.
  • Food Additives -> COLOUR -> JECFA Functional Classes
  • /Citrus Red No. 2/ is synthesized commercially by coupling diazotization of 2,5-dimethoxyaniline with 2-naphthol.
  • 100% AS DYE FOR COLORATION OF MATURE CITRUS FRUITS (E.G., ORANGES) (1974)

它在各数据库里的别名

6358-53-8; C.I. Solvent Red 80; DTXSID6024838; DTXCID10809925; RefChem:1080572; CITRUS RED 2; Solvent red 80; 1-((2,5-Dimethoxyphenyl)diazenyl)naphthalen-2-ol; Citrus Red; Citrus Red No. 2; 1-[(2,5-dimethoxyphenyl)azo]-2-naphthol; 1-(2,5-Dimethoxyphenylazo)-2-naphthol; CI Solvent Red 80; Cerven rozpoustedlova 80; 1-(2,5-Dimethyloxyphenylazo)-2-naphthol; 1-[(2,5-dimethoxyphenyl)diazenyl]naphthalen-2-ol

计算机算出的分子描述符

分子量308.3
XLogP34.5
氢键供体数1
氢键受体数5
可旋转键数4
精确质量308.11609238
单同位素质量308.11609238
拓扑极性表面积63.4
重原子数23
形式电荷0

数据库摘要

Citrus Red 2 · CAS 6358-53-8 · C18H16N2O3. UNII 2QE5Y68984. 熔点: 311 to 315 °F (NTP, 1992); 熔点: 156 °C; Color Additive Status: 74.302.

数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。

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